<template>
  <el-card>
    <el-table border style="margin: 10px 0;" :data="skuArr">
      <el-table-column label="序号" type="index" align="center" width="80px"></el-table-column>
      <el-table-column label="名称" show-overflow-tooltip width="150px" prop="skuName"></el-table-column>
      <el-table-column label="描述" show-overflow-tooltip width="150px" prop="skuDesc"></el-table-column>
      <el-table-column label="图片" width="150px">
        <template #="{ row, $index }">
          <img :src="row.skuDefaultImg" alt="" style="width: 100px;height: 100px;"></template>
      </el-table-column>
      <el-table-column label="重量" width="150px" prop="weight"></el-table-column>
      <el-table-column label="价格" width="150px" prop="price"></el-table-column>
      <el-table-column label="操作" width="250px" fixed="right">
        <template #="{ row, $index }">
          <el-button @click="updateSale(row)" type="primary" size="small"
            :icon="row.isSale == 1 ? 'Bottom' : 'Top'"></el-button>
          <el-button @click="updateSku" type="primary" size="small" icon="Edit"></el-button>
          <el-button @click="findSku(row)" type="primary" size="small" icon="InfoFilled"></el-button>
          <el-popconfirm @confirm="removeSku(row.id)" :title="`你确定要删除${row.skuName}吗`" width="200px">
            <template #reference>
              <el-button type="primary" size="small" icon="Delete"></el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination v-model:currentPage="pageNo" v-model:page-size="pageSize" :page-sizes="[10, 20, 30, 40]"
      :background="true" layout="prev, pager, next, jumper,->,sizes,total" :total="total"
      @current-change="getHasSku(pageNo)" @size-change="handler" />
    <!-- 抽屉组件：展示商品详情 -->
    <el-drawer v-model="drawer">
      <template #title>
        <h4>查看商品的详情</h4>
      </template>
      <template #default>
        <el-row style="margin: 10px 0;">
          <el-col :span="6">名称</el-col>
          <el-col :span="18">{{ skuInfo.skuName }}</el-col>
        </el-row>
        <el-row style="margin: 10px 0;">
          <el-col :span="6">描述</el-col>
          <el-col :span="18">{{ skuInfo.skuDesc }}</el-col>
        </el-row>
        <el-row style="margin: 10px 0;">
          <el-col :span="6">价格</el-col>
          <el-col :span="18">{{ skuInfo.price }}</el-col>
        </el-row>
        <el-row style="margin: 10px 0;">
          <el-col :span="6">平台属性</el-col>
          <el-col :span="18">
            <el-tag style="margin: 5px;" v-for="item in skuInfo.skuAttrValueList" :key="item.id">{{ item.valueName
              }}</el-tag>
          </el-col>
        </el-row>
        <el-row style="margin: 10px 0;">
          <el-col :span="6">销售属性</el-col>
          <el-col :span="18">
            <el-tag style="margin: 5px;" v-for="item in skuInfo.skuSaleAttrValueList" :key="item.id">{{
              item.saleAttrValueName }}</el-tag>
          </el-col>
        </el-row>
        <el-row style="margin: 10px 0;">
          <el-col :span="6">商品图片</el-col>
          <el-col :span="18">
            <el-carousel :interval="4000" type="card" height="200px">
              <el-carousel-item v-for="item in skuInfo.skuImageList" :key="item.id">
                <img :src="item.imgUrl" alt="" style="width: 100%; height:100%">
              </el-carousel-item>
            </el-carousel>
          </el-col>
        </el-row>
      </template>
    </el-drawer>
  </el-card>
</template>

<script setup lang="ts">
import { ref, onMounted } from 'vue'
import { reqSkuList, reqSaleSku, reqCancelSale, reqSkuInfo, reqRemoveSku } from '@/api/product/sku';
import type { SkuResponseData, SkuData, SkuInfoData } from '@/api/product/sku/type';
import { ElMessage } from 'element-plus';

// 分页器当前页码
let pageNo = ref<number>(1)
// 每页展示几条数据
let pageSize = ref<number>(10)
let total = ref<number>(0)
let skuArr = ref<SkuData[]>([])
// 控制抽屉显示隐藏
let drawer = ref<boolean>(false)
// sku商品详情
let skuInfo = ref<SkuData>({})

// 组件挂载完毕
onMounted(() => {
  getHasSku()
})

const getHasSku = async (pager = 1) => {
  pageNo.value = pager

  let result: SkuResponseData = await reqSkuList(pageNo.value, pageSize.value)
  if (result.code == 200) {
    total.value = result.data.total
    skuArr.value = result.data.records
  }
}

// 分页器下来菜单发生变化触发
const handler = (pageSizes: number) => {
  pageSize.value = pageSizes
  getHasSku()
}

// 商品上架与下架
const updateSale = async (row: SkuData) => {
  // 如果isSale==1,说明当前商品是商家状态->更新为下架
  if (row.isSale == 1) {
    let result = await reqCancelSale((row.id as number))
    if (result.code == 200) {
      ElMessage({
        type: "success",
        message: '下架成功'
      })
      getHasSku(pageNo.value)
    } else {
      ElMessage({
        type: "error",
        message: '下架失败'
      })
    }
  } else {
    let result = await reqSaleSku((row.id as number))
    if (result.code == 200) {
      ElMessage({
        type: "success",
        message: '上架成功'
      })
      getHasSku(pageNo.value)
    } else {
      ElMessage({
        type: "error",
        message: '上架失败'
      })
    }
  }
}

// 更新已有的SKU
const updateSku = () => {
  ElMessage({
    type: "success",
    message: '程序员在努力的更新中'
  })
}

// 查看商品详情按钮
const findSku = async (row: SkuData) => {
  drawer.value = true
  // 获取已有的商品详情数据
  let result: SkuInfoData = await reqSkuInfo(row.id)
  // 存储已有的sku
  skuInfo.value = result.data
}

//删除商品
const removeSku = async (id: number) => {
  let result = await reqRemoveSku(id)
  if (result.code == 200) {
    ElMessage({
      type: "success",
      message: '删除成功'
    })
    getHasSku(skuArr.value.length > 1 ? pageNo.value : pageNo.value - 1)
  } else {
    ElMessage({
      type: "error",
      message: '系统数据不能删除'
    })
  }
}
</script>


<style scoped>
.el-carousel__item h3 {
  color: #475669;
  opacity: 0.75;
  line-height: 200px;
  margin: 0;
  text-align: center;
}

.el-carousel__item:nth-child(2n) {
  background-color: #99a9bf;
}

.el-carousel__item:nth-child(2n + 1) {
  background-color: #d3dce6;
}
</style>